voltage field

例句：

1. 1. The voltage fieldaround the transformer is strong enough tocause a spark.
   变压器周围的电压场足够强，以至于会产生火花。
2. 2. Theelectric field in this regionis very strong, making itdifficult for people to walk.
   这个地区的电场非常强，使得人们难以行走。
3. 3. The electric field lines are drawn onthe screen, showing the distribution of electriccharge.
   在屏幕上画出了电场线，显示了电荷的分布情况。